MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Midbrain_E12.5_H3K9ac_53_168_0.573_2.877652e-107 letter-probability matrix: alength= 4 w= 10 nsites= 100 E= 1.0e-1 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.001 0.997 0.001 0.001 0.225 0.773 0.001 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001 0.997 0.001 0.001 0.001